20876889597

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1\times {\mathrm{223}}^1$

素因数の和:618

約数の個数: 64

約数和(自身を含む): 30234624000

約数和(自身を除く): 9357734403

約数列:

[1, 3, 19, 57, 73, 149, 151, 219, 223, 447, 453, 669, 1387, 2831, 2869, 4161, 4237, 8493, 8607, 10877, 11023, 12711, 16279, 22499, 32631, 33069, 33227, 33673, 48837, 67497, 99681, 101019, 206663, 209437, 309301, 427481, 619989, 628311, 631313, 639787, 927903, 1282443, 1642427, 1893939, 1919361, 2425571, 2458129, 4927281, 5017277, 7276713, 7374387, 15051831, 31206113, 46085849, 46704451, 93618339, 95328263, 138257547, 140113353, 285984789, 366261221, 1098783663, 6958963199, 20876889597]

約数ペア:

[(1, 20876889597), (3, 6958963199), (19, 1098783663), (57, 366261221), (73, 285984789), (149, 140113353), (151, 138257547), (219, 95328263), (223, 93618339), (447, 46704451), (453, 46085849), (669, 31206113), (1387, 15051831), (2831, 7374387), (2869, 7276713), (4161, 5017277), (4237, 4927281), (8493, 2458129), (8607, 2425571), (10877, 1919361), (11023, 1893939), (12711, 1642427), (16279, 1282443), (22499, 927903), (32631, 639787), (33069, 631313), (33227, 628311), (33673, 619989), (48837, 427481), (67497, 309301), (99681, 209437), (101019, 206663)]